code: def test_cluster_centers_belong(self, n_samples):
      X = self.data_generator.random_point(n_samples)
      space = self.estimator.space
  
      cluster_centers = self.estimator.fit(X).cluster_centers_
  
      result = space.belongs(cluster_centers)
      expected = gs.ones((self.estimator.n_clusters,), dtype=bool)
      self.assertAllEqual(result, expected)
  
file_path: geomstats/geomstats/test_cases/learning/_base.py
imports: import pytest
  import geomstats.backend
  from geomstats.test.random import RandomDataGenerator
  from geomstats.test.test_case import TestCase
  from geomstats.vectorization import repeat_point
label_desc: Use image node_id 3 for calling the ClusterMixinsTestCase obj's underlying member method code with example usage: obj.test_cluster_centers_belong(n_samples) without return types